Matrix of similar interfaces for 3D-footprint entry 6px1_A

_ stats: contacts=4 Nring=2 specif=0.50
_ PDBs:  1:6pww_K,2:3x1t_G,3:7jzv_N,4:7e9c_G,
_ -lnE:  1:14.4,2:9.6,3:9.6,4:9.4,
_        1 2 3 4
0003 R* RT------
0005 R  RG------
0046 R* --RARTRG
0081 T  --RT----